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IPv4 Market October 2026: Transfers & Lease Prices

October 2026 IPv4 transfers reached 3.88 million addresses across ARIN and RIPE,

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Should You Sell a Large IPv4 Block Whole or Split It?

Anyone who decides to sell a large IPv4 block soon faces the same question: offer

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Check IPv4 before you lease: routing, RPKI, reputation, and geolocation, illustrated by a magnifying glass and checkmark over a globe.

How to Check an IPv4 Block Before Leasing: Blacklists, Routing, RPKI, and Geolocation

Leasing IPv4 addresses can be faster and more cost-effective than purchasing address

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September 2026 IPv4 market report cover with abstract address blocks and the InterLIR.com signature.

IPv4 Market in September 2026: Transfer Growth and Lease Prices

IPv4 transfers in September 2026 increased by 39.3% across ARIN and RIPE NCC, excluding

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Diagram showing how an RPKI-valid route can be hijacked, redirecting traffic from its legitimate destination.

Can an RPKI-Valid Route Still Be Hijacked? What IPv4 Owners Should Know

Your IPv4 prefix has a valid ROA. Your monitoring dashboard shows RPKI: Valid. Does

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IP geolocation issues after an IP address transfer | InterLIR.com

Why IP Geolocation Can Be Wrong After an IPv4 Transfer

An IPv4 transfer changes registry data, but GeoIP providers may continue to show

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IP Geolocation Correction Steps Before Launching a New Service

Launching a service on acquired, leased, or reassigned IP space can expose a geolocation

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IPv4 Leasing for Seasonal Traffic Spikes and Temporary Projects

A seasonal peak or temporary project can require additional public IPv4 space for

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How Contract Terms Influence the Real Yield of IPv4 Leasing

The headline lease rate does not show the full economic result of an IPv4 agreement.

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IPv4 Prefix Length and Block Selection

Buyers need more than an address count. Prefix length shapes subnetting, routing,

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ROA vs IRR Route Object

BGP operators use both RPKI authorization and Internet Routing Registry records to

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IP Reputation Needs for Email Marketing Platforms

Email marketing platforms depend on more than message content and authentication.

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